commit 3ba0a2ed9248c03ceb66583587fba9b20c77747a
from: Stefan Sperling <stsp@stsp.name>
date: Sun Sep 20 21:07:20 2020 UTC

enable -Wstrict-prototype and -Wunused-variable in Linux build

commit - cc5f4ee87bcb16d81774bfa1a89ccc53ea0213e2
commit + 3ba0a2ed9248c03ceb66583587fba9b20c77747a
blob - 4a731caaebd2a420a2569b29e1e157c5a2376fc5
blob + 873ca8d5ceddb912a44260d6afd6ee413d6dc1a3
--- diff/GNUmakefile
+++ diff/GNUmakefile
@@ -1,4 +1,5 @@
 CFLAGS = -fsanitize=address -fsanitize=undefined -g -O3
+CFLAGS += -Wstrict-prototypes -Wunused-variable
 
 diff: diff.c ../lib/libdiff.a
 	gcc $(CFLAGS) -I../include -o $@ $^
blob - 1b73588ad91574f34bbc3bae3a71a2665b76aa8d
blob + 1c42ceb0c7f7c6486d031ba90ed8c5c3acc44345
--- diff/diff.c
+++ diff/diff.c
@@ -36,7 +36,7 @@
 /* stupid shims to compile and test on linux */
 #define __dead
 
-static const char *getprogname()
+static inline const char *getprogname(void)
 {
 	return "diff";
 }
blob - a6ff8bd1ed65c0db6c0feaf7866523a9d9f52948
blob + 6db035bb5ae10656a0f6d64973fdd775550f65b3
--- lib/GNUmakefile
+++ lib/GNUmakefile
@@ -14,6 +14,7 @@ libdiff.a: $(objs)
 	ar rcs $@ $^
 
 CFLAGS = -fsanitize=address -fsanitize=undefined -g -O3
+CFLAGS += -Wstrict-prototypes -Wunused-variable
 
 %.o: %.c ./*.h ../include/diff/*.h
 	gcc $(CFLAGS) -I../include -o $@ -c $<